Gradeless

Nim

Take the last stick and win! Find the safe numbers to leave, then outsmart the other player in every stick game.

Puzzles & Strategy Games · Grades 1–4 · 7 levels · Free

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7 levels

  1. Take the last stick
  2. Leave a multiple of four
  3. Who wins from here?
  4. Take up to four or five
  5. Last stick loses
  6. Two piles
  7. Every stick game, timed

What it practises

  • Winning Moves (Nim)
  • Two-Pile Nim

More Puzzles & Strategy Games lessons

Gradeless is free: short math and learning lessons for kids in kindergarten to grade 5, each one starting where your child is. For grown-ups